(Solved) PhysioEX exercise 3 Help?

adr1e

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13 years ago

PhysioEX exercise 3 Help?

Anyone know the answers to exercise 3, activities 6, 7 and 8?

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duddy

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Staff Member

13 years ago

are you the same person as alaskatree?

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adr1e Author

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13 years ago

alaska tree? No, Im not.

Sorry I'm kinda new to this my friend told me about it so I thought i'd join and support as well as get help at the same time.

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duddy

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Staff Member

13 years ago

Oh, because that user asked the same question:

Activity 7: Testing the Effects of Lidocaine (p. 37)

1. No.
2. At threshold voltage, the screen still displays a flat line.
Lidocaine is a sodium ion channel antagonist which will block sodium channels from
opening, thus inhibiting any action potential from being generated.

Activity 8: Measuring Nerve Conduction Velocity (pp. 38–40)

5. 5 volts
The chart should look like this:

(attached)

Answers to activity 6 have been omitted because you have not yet contributed to the forum

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adr1e Author

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13 years ago

thaaaanks! Slight Smile

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duddy

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Staff Member

13 years ago

Quote from: adr1e (13 years ago)

thaaaanks! Slight Smile

Welcome

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aangell Author

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13 years ago

I do not understand how Lidocaine blocks the channels...

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aangell Author

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13 years ago

In my lab book I show that we are to increase the Threshold voltage by incriments of 1.0 volts so I have that the Threshold Voltage of Rat #1 is 3 instead of 2.5v...

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acushman Author

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12 years ago

Quote from: duddy (13 years ago)

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kvaldes Author

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12 years ago

do you have block the chart?

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duddy

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#10

Staff Member

12 years ago

Yes, the chart is available.

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pacha007 Author

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#11

12 years ago

thanks

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marlinsbaseball Author

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#12

12 years ago

Thanks for the help man

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AzReaper

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#13

12 years ago

Thanks for the help, if it wasnt for this forum, i would be stuck on this for hours.

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